baber/WOPTO huggingface dataset:
Patent JP-2005527841-A (JP)
Title: 出力の拡散が減少した溝式導波管
IPC: F21V8/00
Filed: 2003-01-31
Abstract: 導波管（１２）は第二の端と反対側に第一の端を有する縦長の構造体を備える。該導波管は、第一の端に隣接して該構造体上に形成された溝つきの表面（１４）を有する。溝つきの表面（１４））が入力光線を整形して垂直方向への光線の拡散を減少させ、水平方向への光線の拡散を増すが、縦長の構造体の幾何学的な大きさは実質的に不変である。
Patent JP-2005525544-A (JP)
IPC: G01H1/00
Filed: 2003-02-21
Abstract: A method and device for detection of a pulsed mechanical effect on a plant component includes continuously recording an operating noise in the plant component with a sensor disposed on the plant component and converting the recorded noise into a measured signal with the sensor. Then, the measured signal is subjected to a Fourier transformation. An evaluation function is derived from a number of value spectra determined in the above manner, which gives the onset of a pulsed mechanical effect on the plant component.
Patent JP-2005518050-A (JP)
Title: デジタル画像における赤目特徴の検出および修正
IPC: H04N1/62
Filed: 2003-01-03
Abstract: デジタル画像の赤目特徴（１）を検出する方法である。上記方法は、色相がほぼ赤色であり、周囲の領域の画素よりも彩度および明度が高い画素を有する画像のハイライト領域（２）を特定する工程を含む。さらに、２つの彩度ピークと、何れかの側の彩度トラフとを備える瞳孔領域（３）を特定してもよい。次に、各ハイライトまたは瞳孔領域が、赤目特徴の一部に対応するかどうかを、更なる選択基準に基づいて判断する。参照画素の周りの訂正可能な画素を含む、孤立したほぼ円形の領域（４３）が存在するかどうかを判断する工程を含んでもよい。赤目特徴の訂正は、赤目特徴における画素の一部または全部の明度および／または彩度を減少する工程を含む。
Patent JP-2005520588-A (JP)
Title: 管内の流体流を可視化するためのシステム、および、方法
IPC: A61B3/12
Filed: 2003-03-20
Abstract: 造影成分が流れる血管を介する流体流を可視化するための方法であって、血管造影画像のシーケンスから血管造影画像のサブシーケンスを選択するステップと、前記血管造影画像の表示を制御するための複数の動的パラメータを読み取るステップと、動的パラメータに従って、サブシーケンスを繰り返し連続して表示するステップと、サブシーケンスを表示している間にユーザが動的パラメータを動的に更新するためのインターフェースを提供するステップとを具えた方法。
Patent JP-2005520446-A (JP)
Title: スピーカー取付装置
IPC: H04R1/02
Filed: 2002-03-12
Abstract: スピーカー取付け装置及びスピーカー取付け方法が開示されている。本発明の一つの実施態様において、スピーカー取付け装置は、構造体に取り付け可能な取付け部材と、取付け部材に取り付け可能なコネクタと、コネクタに取り付け可能なドッキング部材と、ドッキング部材に取り付け可能なスピーカーハウジングとを有している。スピーカーハウジングは側面を有していて、側面には受容部分が備えられている。受容部分は、ドッキング部材を取りはずし可能に受容している。   本発明の他の実施態様において、構造体へのスピーカーハウジングの取り付け方法が、取付けブラケットを構造体に取りつける段階と、コネクタを用いてドッキング部材を取付けブラケットに接続する段階と、スピーカーハウジングをドッキング部材に取りはずし可能に取りつける段階と、取付けブラケット及び構造体に対して、ユニットとして結合プレートとスピーカーハウジングとを組立てる段階とを含んでいる。
Patent JP-2005520680-A (JP)
Title: 窒素およびアルゴンの選択的な吸着のためのモレキュラーシーブ吸着剤の調製のためのプロセス
IPC: C01B13/02
Filed: 2003-02-12
Abstract: 本発明は、酸素、窒素およびアルゴンの気体混合物の分離のための新規のモレキュラーシーブ吸着剤の製造に関する。この吸着剤は、空気から酸素および／または窒素を分離するのに有用である。より詳細には、本発明は、モレキュラーシーブ吸着剤の製造に関し、この吸着剤は、酸素および／またはアルゴンを含む気体混合物から窒素を、そして酸素を含む気体混合物からアルゴンを選択的に吸着する。本発明は、酸素を含む気体混合物から窒素およびアルゴンを選択的に吸着するためのモレキュラーシーブ吸着剤の調製のためのプロセスを提供し、この吸着剤は、一般式：（Ａｇ ２ Ｏ） ｘ ・（Ｍ ２／ｎ Ｏ） ｙ ・（Ａｌ ２ Ｏ ３ ） ６ ・（ＳｉＯ ２ ） １２ ・ｗＨ ２ Ｏによって表されるモレキュラーシーブ吸着剤から構成され、ここで、ｘの値は、４．８〜６．０の範囲であり、ｙは、０．０〜１．２であり、ｗは、水のモル数であり、そしてＭは、原子価ｎを有する任意の金属である。
Patent JP-2005522662-A (JP)
Title: 熱伝達体ユニット、特に自動車のための熱伝達体ユニット
IPC: F28F9/00
Filed: 2003-04-07
Abstract: 【課題】  熱伝達体ユニットを改良する。 【解決手段】  多数のパイプおよび波形フィンを有する少なくとも２つの熱伝達体と、熱伝達体ユニットを対向し合う側において包囲する、少なくとも２つの側方部分（４）を有し、少なくとも１つの側方部分（４）が少なくとも１つの伸張部分（１１）を有している熱伝達体ユニット、たとえば自動車のための熱伝達体ユニットにおいて、伸張部分（１１）が、側方部分（４）のほぼ長手方向に延びている。
Patent JP-2005195757-A (JP)
Title: Zoom lens and imaging device
Inventor: IWAZAWA YOSHITO
IPC: G02B15/20
Filed: 2004-01-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a zoom lens which is used for a video camera and a digital still camera etc., is compact and has high variable power, and to provide an imaging device which uses the zoom lens.  <P>SOLUTION: The zoom lens comprises a plurality of groups and varies power by changing group intervals. The zoom lens is composed of a first lens group GR1 which has a positive refractive power and is fixed in a zoom, a second lens group GR2 having a negative refractive power, a third lens group GR3 having a positive refractive power, a fourth lens group GR4 having a positive refractive power, a fifth lens group GR5 having a negative refractive power and a sixth lens group GR6, and contains a reflective member G2 for bending the optical axis into the first lens group.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005193322-A (JP)
Title: Rotary punching device
Inventor: MANO SHIRO
IPC: B26F1/38
Filed: 2004-01-05
Abstract: <P>PROBLEM TO BE SOLVED: To reduce removing mistakes of punched chip parts 94 in a rotary punching device for punching products 91 from a long sheet 9 by a rotary die cutter 8.  <P>SOLUTION: A cutter 7 for incising for forming cuts (S) passing through front and rear sides are provided at positions to be the punched chip parts 94 in the long sheet 9 on an upstream side of the rotary die cutter 8. In an anvil or a die of the rotary die cutter 8, chip removing pins 84 constituted of enlarged head parts having sizes capable of passing the cuts S parts and shaft parts continuous to the head parts are projectingly provided. In the die or anvil which is not projectingly provided with the chip removing pins 84, pin holes into which the the enlarged head parts of the chip removing pins 84 enter at the time of punching the products 90 are formed. In the vicinity of an outer periphery of the anvil or the die, scrapers 83 for removing the punched chip parts 94 pierced into the chip removing pins 84 are disposed.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005192837-A (JP)
Title: Garment waist extension tool
Inventor: YOSHIHARA HIDEYUKI
IPC: A44B13/00
Filed: 2004-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a garment waist extension tool by which a garment waist is adjusted easily for the purpose of removing discomfort with respect to the waist which has become tight pressed by the temporary change of the waist after a meal or obesity.  <P>SOLUTION: In the garment waist extension tool, an engaging hole for fixing a waist fixing button or a hook biting metal fitting for a garment is provided, a button for engaging to the button hole of the garment is arranged on the front surface of a garment waist extension tool body, and the hook biting metal fitting for engaging to the hook receiving metal fitting of the garment is provided on the back surface of the garment waist extension tool main body.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005197109-A (JP)
Title: Keytop structural body
Inventor: EGAWA TOSHIHIKO
IPC: H01H13/14
Filed: 2004-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide an excellently durable keytop structural body easily preventing peeled between a keytop and a rubber molded base by increasing bonding strength between the keytop and the rubber molded base.  <P>SOLUTION: This keytop structural body is provided with the rubber molded base 15 molded to form a three dimensional shape having a protrusion 14, and a hard resin made keytop 17 disposed on the protrusion 14. The jointing face 16 of the protrusion 14 of the rubber molded base 15 is bonded to the jointing face 18 of the keytop 17 by an adhesive 19, a hollow part 30 is provided on the jointing face 16 of the protrusion 14 of the rubber molded base 15, and the adhesive is made to exist in the hollow part 30. Therefore, the contact area of the adhesive 19 and the rubber molded base 15 is made larger than the contact area of the adhesive 19 and the keytop 17.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005194080-A (JP)
Title: Sheet transport device and image forming device
Inventor: MIZUNO TATSUFUMI
IPC: B65H5/38
Filed: 2004-01-09
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem in that a short transport path may generate an unfavorable condition for a transverse register correction.  <P>SOLUTION: The sheet transport device is structured so that the sheet transporting speed of a transverse register correction roller 25 and a slant feeding roll 26 couple becomes higher than the sheet transporting speed of a post-fixation roller 17 and a second roll 19 couple in the timing immediately before the sheet P trailing edge passes through the nip between the post-fixation roller 17 and the second rolls 19. Thereby the sheet P is pulled by the nips between the post-fixation roller 17 and the second roll 19 couple and between the transverse register correction roller 25 and the slant feeding roll 26 couple to be put in the maximally elongated condition within a curved inversion part 40, which can preclude the sheet behavior willing to straighten by its own stiffness when the trailing edge of the sheet P has passed through the nip between the post-fixation roller 17 and the second rolls 19.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005192918-A (JP)
Title: Random number monitoring device
Inventor: YONEDA KIMIAKI
IPC: A63F7/02
Filed: 2004-01-09
Abstract: <P>PROBLEM TO BE SOLVED: To detect whether a random number generator is normally operated or not.  <P>SOLUTION: In the random number generator 750 having random number clock generating circuits B51 and B52 generating random number clocks at a predetermined frequency, and clock count circuits B81-B84 counting numerical values based on the random number clocks generated by the random number clock generating circuits B51 and B52, this random number monitoring device 710 is provided with operation information storage part 734a storing operation information of the clock count circuits B81-B84 based on the count signals output from the clock count circuits 82 and B84 for every predetermined period by the operation of the clock count circuits B81 an B84, and a CPU 732 monitoring the operation information stored in the operation information storage part 734a for every predetermined period to detect whether the random number clock generating circuits B51 and B52 are normally operated or not.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004233991-A (JP)
Title: Optical information processor
Inventor: KUWANA YASUHIRO
IPC: H01L31/0232
Filed: 2004-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical information processor which is constituted to convert the input and output signals of an electric circuit to optical signals by light emitting and receiving elements and to transmit the signals to an optical waveguide and which facilitates the alignment of the optical waveguide and the light emitting and receiving elementas.  <P>SOLUTION: The optical information processor has a waveguide substrate 10 provided with the optical waveguide and an electric circuit board 100 installed on the waveguide substrate 10 so as to face the optical waveguide 14. The light receiving element 101 and the light emitting element 102 for receiving and emitting the light propagating in the optical waveguide 14 are arranged in the lower part of the optical waveguide 14 and the electric circuit of the electric circuit board 100 is connected to the light receiving element 101 and the light emitting element 102.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2005203007-A (JP)
Title: Information recording device and optimal recording power detecting method
Inventor: HAGIWARA HIROSHI
IPC: G11B7/0045
Filed: 2004-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide an information recording device for removing the error of a β value detecting means during OPC execution to accurately obtain optimal recording power, and an optimal recording power detecting method in the information recording device.  <P>SOLUTION: A pulse generation section 201 generates a CL signal constituted of a pulse wave of Duty 50%, and an SW 202 switches a signal inputted to a β value detection section 203 between a CL signal and an RF signal. An upper envelope line level a is measured by a PK_Hold circuit 207 and an ADC 208, a lower envelope level b is measured by a BT_Hold circuit 209 and an ADC 210, and a β value calculation section 213 calculates a β value from a and b. A β correction section 204 corrects the β value of the RF signal by using the β value of the CL signal as an offset value β<SB>ofs</SB>at the time of OPC. A recording power detection section 205 decides optimal recording power Pw to give a target value β<SB>target</SB>from a β value corrected for each recording power.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005202629-A (JP)
Title: Electronic mail system, electronic mail transmitting/receiving method, electronic mail transmitting method, electronic mail receiving method, server device, electronic mail and storage medium
Inventor: YAMAGUCHI YASUHIRO
IPC: G06F13/00
Filed: 2004-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To reduce the quantity of distribution data, and to display a three-dimensional image only by opening an electronic mail, and to interactively change and display the three-dimensional image, and to execute the transmission/reception of the electronic mail capable of adding/changing a mail sentence.  <P>SOLUTION: This electronic mail system is configured of a transmitter, a receiver and a server device connected through a network to the receiver. The transmitter transmits an electronic mail document including descriptions to instruct the acquisition of data from a server device shown by specific address information on the network. The receiver receives the electronic mail document, and when an operation to display the electronic mail document on a picture is performed, performs access through the network to the server device according to the above mentioned descriptions, and acquires basic data for displaying the three-dimensional image from the server device, and starts an application for executing three-dimensional plotting display, and displays the three-dimensional plotted image in a window for electronic mail display.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005201163-A (JP)
Title: Control device for internal combustion engine
Inventor: UENO MASAKI
IPC: F02D41/14
Filed: 2004-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To enable appropriate compensation of a deviation of an output of a cylinder inner pressure sensor from a proper value, thereby attaining appropriate control of an internal combustion engine.  <P>SOLUTION: The control device 1 comprises ECU 2, and the ECU 2 controls the internal combustion engine 3 in accordance with an output P of a cylinder inner pressure sensor 11 which detects the inner pressure in a cylinder (steps 1 to 3), and corrects the output P of the cylinder inner pressure sensor 11 in accordance with an intake air amount parameter PBA indicating an intake air amount detected and an air/ fuel ratio AFR of an air fuel mixture (steps 12 and 14 to 22).  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005200580-A (JP)
Title: Frame-retardant polystyrene resin composition
Inventor: NOZAWA HIDENORI
IPC: C08L25/04
Filed: 2004-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a flame-retardant styrene resin composition that has excellent frame retardancy, mechanical properties (impact resistance) as well as high temperature creep resistance, light resistance and thermal stability and causing no problem in the continuous compounding moldability by means of a generally used extruder.  <P>SOLUTION: This frame retardant styrene resin composition comprises 100 pts.wt. of styrene resin and 10 to 50 pts.wt. of a halogen-containing aromatic diol ether derivative that is represented by general formula (I) (wherein R<SP>1</SP>, R<SP>2</SP>are each H or identical or different groups selected from general formula (II) or general formula (III), X is bromine or chlorine, i is an integer of 1 to 4 and i is a natural number) in which more than 60 wt.% of the component has a molecular weight of ≤1,500 and the kneading easiness index is ≥1.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005204183-A (JP)
Title: Remote monitoring system
Inventor: YAMASHITA MITSURU
IPC: G05B23/02
Filed: 2004-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a remote monitoring system capable of displaying, on a monitoring terminal, equipment data, such as various types of digital and analogue signals or the like that are input from monitoring target equipment without the need for installation of an application to the monitoring terminal.  <P>SOLUTION: A monitoring target station 1, reflects by means of a data distributing WWW server apparatus 10, monitoring data that have been collected by a data-collecting device 20 and have been output from the monitoring target equipments 31, 32 to thereby produces monitoring screen images to be displayed on a WEB browser 301, in accordance with the monitoring screen definition 13. Then, the monitoring target station 1 distributes the monitoring screen images to an internet monitoring terminal 300 via the Internet 200, to monitor the monitoring target equipments 31, 32 from a remote place via the internet monitoring terminal 300, by displaying the monitoring screen images on the WEB browser 301 of the internet monitoring terminal 300.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004244628-A (JP)
Title: Gas oil with reduced sulfur content and its manufacturing process
Inventor: AKIMOTO YASUSHI
IPC: C10L1/08
Filed: 2004-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a gas oil with a reduced sulfur content, of a low environmental burden with not more than 10 mass ppm of a sulfur content, which causes no rubber shrinkage, and also to provide a manufacturing method of the same.  <P>SOLUTION: The gas oil with a reduced sulfur content comprises 0-80 volume% of desulfurized kerosene base material, 10-100 volume% of a dewaxed gas oil base material and 0-60 volume% of a hydrocracked gas oil base material, and is characterized by having 10 mass ppm or less of the sulfur content.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2005208140-A (JP)
Title: Image forming apparatus
Inventor: IKEDA YUICHI
IPC: G03G15/16
Filed: 2004-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of realizing the reduction of cost and space for preventing the leak of high voltage by avoiding the use of an expensive high-voltage power source.  <P>SOLUTION: In the image forming apparatus where a toner image is transferred from a 1st image carrier to a 2nd image carrier being another image carrier by the application of voltage in a state where the 1st and the 2nd image carriers are held from both sides by electrodes by a means for transferring the toner image from the 1st image carrier to the 2nd image carrier by using electric field, voltage having a reverse polarity is applied to the electrodes on both sides.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005204886-A (JP)
Title: Endoscope
Inventor: ONISHI JUNICHI
IPC: A61B1/04
Filed: 2004-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide an endoscope recording an image in a suitable timing.  <P>SOLUTION: This endoscope includes: an insert part 11 inserted in a body cavity of a subject; an objective lens 19 mounted on a distal end part 16 of the insert part 11; an image pickup element 4 for picking up an observation image of the body cavity of the subject obtained by the objective lens 19; an image data conversion circuit 33 provided at the proximal end of the insert part 11 to convert an imaging signal from the image pickup elemet 4 to a signal to be recorded on a record medium; and an image recorder 32 for recording the recordable signal.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005209522-A (JP)
Title: Connector device for card
Inventor: KURODA YOSHINARI
IPC: H01R13/652
Filed: 2004-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a connector device for a card capable of preventing a short circuit between a shield member and a contact terminal from easily occurring in disposing the shield member, in a connector device for a card wherein a plurality of contact terminals are arranged in parallel with one another on a plate part of a part of a housing.  <P>SOLUTION: The plurality of contact terminals 2 are mounted in parallel with one another on a bottom plate 1a of the housing 1. The shield members 7 having side shield parts 7a disposed on both the sides of the contact terminals 2 and erection shield parts 7b erected between the side shield parts 7a are installed. The shield members 7 of the same quantity as that of the contact terminals 2 are formed into an integrated member 8. The integrated member 8 is formed by insert molding so that the side shield parts 7a and the erection shield parts 7b of the respective shield members 7 are embedded in the bottom plate 1a.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005215118-A (JP)
Title: Developing device
Inventor: HAYASHI MASATAKE
IPC: G03G15/08
Filed: 2004-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To always form an appropriate toner image on the peripheral face of a photoreceptor drum by improving the capability of stirring and conveying developer while preventing damage to the peripheral face of a developing roller.  <P>SOLUTION: The developing device incorporates: a developing roller 60: an upper screw feeder 30 which is disposed near the developing roller 60 and conveys the developer; a lower screw feeder 40 disposed in the upper side of the upper screw feeder 30 and supplies the developer to the developing roller 60; and a scooping roller 50 which is located downstream in the direction in which the developer is conveyed by the lower screw feeder 40 and which returns the developer to the upper screw feeder 30. A stirring auxiliary member 70 is disposed between the internal wall of the developing device body 21 and the upper screw feeder 30. The stirring auxiliary member 70 is not supported by any shafts, and idly rotates following the drive of the upper screw feeder 30. The specific gravity of the stirring auxiliary member 70 is set greater than the apparent specific gravity of the developer.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005215896-A (JP)
Title: Information processor and method, program, and storage medium
Inventor: IKEDA SHUNICHIRO
IPC: H04N5/907
Filed: 2004-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To reduce time required for deleting a plurality of files by improving a series of operations such as updating of cache data and writing to a storage medium.  <P>SOLUTION: It is determined whether a plurality of files to be deleted are selected (1001). When a plurality of files to be deleted are selected, the cache data of file management information in a cache memory are updated for each file of the plurality of files to be deleted (1002), and the updated cache data are collectively written to a memory card to delete the plurality of files to be deleted (1004).  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004346301-A (JP)
Title: Method for preparing high solid content of polymer nanoparticle
Inventor: LUNDQUIST ERIC G
IPC: B32B9/00
Filed: 2004-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing polymer nanoparticles in high solid content.  <P>SOLUTION: This method is used for preparing crosslinked polymer nanoparticles having 1-200 nm particle size in high solid content without using an emulsion, and comprises a step for adding a reaction product, obtained by a polymerization selected from a solution polymerization, a dispersion polymerization, a suspension polymerization and a precipitation polymerization, to a vessel and a step for producing crosslinked polymer nanoparticles by reacting the reaction product. The solid content of the polymer nanoparticles is regulated to be ≥30wt.%. The reaction product is added at least in two aliquates.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005217764-A (JP)
Title: Communication system and control management apparatus for real time communication
Inventor: CHIBA AKIRA
IPC: H04L12/70
Filed: 2004-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a communication system having a high serviceability and a high communication quality and a control managing apparatus for real time communications.  <P>SOLUTION: The communication system using one or a plurality of group-corresponding relay processors comprises: a real time communication control managing apparatus directly or indirectly connected to any port of the relay processor; and end terminal communication apparatus. The control managing apparatus makes controls or management including whether it permits the start of a specified real time communication using protocol data units by request from the end terminal communication apparatus located at the starting point or the end point of communication among communication apparatuses, allots the group number showing an effective group at that time to each end terminal communication apparatus, and changes the group number to be allotted to each end terminal communication apparatus according to the kind of the permitted real time communications.  <P>COPYRIGHT: (C)2005,JPO&NCIPI